private Result OnFetchFunction()
{
_variableContext.Begin();
for (int i = 0, argCount = _functionDeclaration.ArgumentCount; i < argCount; i++)
{
var arg = _functionDeclaration.GetArgument(i);
var vd = _functionNode.GetArgument(i);
if (vd == null)
{
continue;
}
// Overlapped function arguments.
if (vd.Attributes != null)
{
throw new ArgumentException("Overlapped function arguments");
}
var va = _variableContext.Add(vd, 0, 0);
var aType = arg.VariableType;
var vType = vd.Type;
if (arg.RegisterIndex != RegisterIndex.Invalid)
{
if (aType.GetRegisterClass() == vd.Info.RegisterClass)
{
va.Flags |= VariableFlags.WReg;
va.OutRegIndex = arg.RegisterIndex;
}
else
{
va.Flags |= VariableFlags.WConv;
}
}
else
{
if ((aType.GetRegisterClass() == vd.Info.RegisterClass) || (vType == VariableType.XmmSs && aType == VariableType.Fp32) || (vType == VariableType.XmmSd && aType == VariableType.Fp64))
{
va.Flags |= VariableFlags.WMem;
}
else
{
// TODO: [COMPILER] Not implemented.
}
}
}
_variableContext.End(_node);
return(Result.Break);
}
